Results 171 to 180 of about 6,651 (246)

Strategies for Monitoring of Assets in Geosynchronous Orbit (GEO) using Space-based Sub-THz Inverse Synthetic Aperture Radar (ISAR)

IEEE Transactions on Radar Systems
Gruffudd Jones, Morgan Coe, Lily Beesley, Leah-Nani Alconcel, Marco Martorella, Marina Gashinova   +5 more
openaire   +1 more source

SCALING: plug-n-play device-free indoor tracking. [PDF]

Sci Rep
Xie Z, Ye F.
europepmc   +1 more source

BodyFlow: An Open-Source Library for Multimodal Human Activity Recognition. [PDF]

Sensors (Basel)
Del-Hoyo-Alonso R, Hernández-Ruiz AC, Marañes-Nueno C, López-Bosque I, Aznar-Gimeno R, Salvo-Ibañez P, Pérez-Lázaro P, Abadía-Gallego D, Rodrigálvarez-Chamarro MV.   +8 more
europepmc   +1 more source

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Inverse synthetic aperture radar (ISAR)

2001
Imaging of tracked moving targets is possible by applying the principles of synthetic aperture. The relative motion between the target and the fixed radar system creates this aperture. The necessary rotation of the target with respect to the line of sight amounts to only few degrees.
PHILIPPE LACOMME, JEAN-PHILIPPE HARDANGE, JEAN-CLAUDE MARCHAIS, ERIC NORMANT   +3 more
semanticscholar   +5 more sources

Analysis of jamming on inverse synthetic aperture radar (ISAR)

SPIE Proceedings, 2005
Inverse synthetic aperture radar (ISAR) is a powerful means in target identifying, especially the target in the air, which can image the moving target. There is little study on modeling and resistance technique according to ISAR in China. This paper establishes a model of ISAR system, and then studies on some valid jamming technique.
Jian-yu Yang, Zhou-an Han, Yi-ming Pi
openaire   +3 more sources

Superresolution inverse synthetic aperture radar (ISAR) imaging using compressive sampling [PDF]

SPIE Proceedings, 2010
A method based on compressive sampling to achieve superresolution in ISAR imaging is presented. The superresolution ISAR imaging algorithm is implemented by enforcing the sparsity constraints via random compressive sampling of the measured data. Sparsity constraint ratio (SCR) is used as a design parameter. Mutual coherence is used as a quantitative
Suman K. Gunnala, Saibun Tjuatja
openaire   +2 more sources

Autofocus for inverse synthetic aperture radar (ISAR) imaging by beamforming

Proceedings of the 1998 IEEE Radar Conference, RADARCON'98. Challenges in Radar Systems and Solutions (Cat. No.98CH36197), 2002
Autofocus is critical for inverse synthetic aperture radar (ISAR) imaging. This paper develops two new approaches of autofocus for ISAR imaging based on beamforming. The ISAR observation model is established and the proposed approaches are described in detail.
Douglas A. Gray, R.E. Bogner, Zhishun She   +2 more
openaire   +3 more sources

Data Level Fusion of Multilook Inverse Synthetic Aperture Radar (ISAR) Images

35th IEEE Applied Imagery and Pattern Recognition Workshop (AIPR'06), 2006
Although techniques for resolution enhancement in single-aspect radar imaging have made rapid progress in recent years, it does not necessarily imply that such enhanced images will improve target identification or recognition. However, when multiple looks of the same target from different aspects are obtained, the available knowledge base increases ...
Ram M. Narayanan, Zhixi Li
openaire   +3 more sources

A comparison of some electronic countermeasures on Inverse Synthetic Aperture Radar (ISAR)

Journal of Electronics (China), 2006
Inverse Synthetic Aperture Radar (ISAR) is an important means for target classification, recognition, identification and many other military applications. A simulation model of ISAR system is established after analyzing the principle of ISAR imaging, and then several ECM (Electronic Counter Measurement) techniques are studied.
Shunji Huang, Luhong Fan, Yiming Pi, Yinming Hou   +3 more
openaire   +3 more sources